71bbfd2ad404139effff84ccffffe41e

71bbfd2ad404139effff84ccffffe41e - Chapter 2 (Part 3) When...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 2 (Part 3)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
When information indicates a strong possibility of hydrocarbons oil companies will typically drill an exploratory well. While drilling geologist monitor the well through core samples, well logs, and test results. Geologist combine all the information and try to predict the production possibility of the formation.
Background image of page 2
Log: Record of information about the formations the well has been drilled through. Typically two types: Drillers Logs Wire line Logs Electric Logs Radioactivity Logs Acoustic Logs
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Record of the kinds of rocks and fluids encountered at different depths and anything else of interest. Mainly when formations are alternating from soft to hard rock – How long it took to drill through a particular formation. Good drillers can correlate the time/data with other wells in the area and different formations.
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Wire Line: A metal line that can be run down the hole with a tool attached. Conductor Line: Wire line that can carry electricity to the tool. (Both are commonly called “Wireline”) Wire Line involves complex calculations and interpretation of the information the tool relays to the surface. Logging Specialist use the data to compare, correlate and track the depth of formations. Sonde: Instrument lowered down hole that relays all the information back to the surface.
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Spontaneous Potential (SP) Log Records weak electrical currents that flow naturally in the rock next to the wellbore (Natural Electricity)
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 25

71bbfd2ad404139effff84ccffffe41e - Chapter 2 (Part 3) When...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online